KR900016325A - Birefringent Transparent Film and Method of Manufacturing the Same - Google Patents

Birefringent Transparent Film and Method of Manufacturing the Same Download PDF

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Publication number
KR900016325A
KR900016325A KR1019890005258A KR890005258A KR900016325A KR 900016325 A KR900016325 A KR 900016325A KR 1019890005258 A KR1019890005258 A KR 1019890005258A KR 890005258 A KR890005258 A KR 890005258A KR 900016325 A KR900016325 A KR 900016325A
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KR
South Korea
Prior art keywords
aromatic
transparent film
amorphous
stretching
aromatic polymer
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Application number
KR1019890005258A
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Korean (ko)
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KR0133290B1 (en
Inventor
사다오 후지이
준지 다까세
히데끼 가와이
Original Assignee
신노오 마꼬히또
가네가후찌 가가꾸고교 가부시끼가이샤
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Application filed by 신노오 마꼬히또, 가네가후찌 가가꾸고교 가부시끼가이샤 filed Critical 신노오 마꼬히또
Publication of KR900016325A publication Critical patent/KR900016325A/en
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Publication of KR0133290B1 publication Critical patent/KR0133290B1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements

Abstract

내용 없음.No content.

Description

복굴절 투명 필름 및 이의 제조방법Birefringent Transparent Film and Method of Manufacturing the Same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (10)

주요 성분으로서 비대칭적으로 연신된 무정형 방향족 중합체를 함유하는, 복굴절성을 갖는 투명 필름.A birefringent transparent film containing an asymmetrically stretched amorphous aromatic polymer as its main component. 제1항에 있어서, 무정형 방향족 중합체가 방향족 폴리에스테르, 방향족 폴리설폰 및 방향족 폴리에테르설폰중에서 선택되는 투명 필름.The transparent film of claim 1, wherein the amorphous aromatic polymer is selected from aromatic polyesters, aromatic polysulfones and aromatic polyethersulfones. 제1항에 있어서, 무정형 방향족 중합체가 방향족 폴리에스테르인 투명 필름.The transparent film of claim 1, wherein the amorphous aromatic polymer is an aromatic polyester. 제1항에 있어서, 필름의 동일 평면내 서로에 대한 직각에서 두 방향사이의 굴절각의 차이가 0.0001 내지 0.2인 투명 필름.The transparent film of claim 1, wherein the difference in refractive angle between the two directions at right angles to each other in the same plane of the film is 0.0001 to 0.2. 주요 성분으로서 무정형 방향족 중합체를 함유하는 필름을 비대칭적으로 연신시킴을 특징으로 하여, 복굴절성을 갖는 투명 필름을 제조하는 방법.A method for producing a transparent film having birefringence, characterized by stretching a film containing an amorphous aromatic polymer as a main component asymmetrically. 제5항에 있어서, 무정형 방향족 중합체가 방향족 폴리에스테르, 방향족 폴리설폰 및 방향족 폴리에테르 설폰중에서 선택되는 방법.The method of claim 5 wherein the amorphous aromatic polymer is selected from aromatic polyesters, aromatic polysulfones and aromatic polyether sulfones. 제5항에 있어서, 무정형 방향족 중합체가 방향족 폴리에스테르인 방법.The method of claim 5 wherein the amorphous aromatic polymer is an aromatic polyester. 제5항에 있어서, 비대칭적 연신을 실온 내지 상기 무정형 방향족 중합체의 40℃이상의 유리 전이 온도에서 수행하는 방법.The method of claim 5, wherein the asymmetrical stretching is performed at room temperature to a glass transition temperature of at least 40 ° C. of the amorphous aromatic polymer. 제5항에 있어서, 비대칭적 연신이 단축적 연신인 방법.The method of claim 5, wherein the asymmetrical stretching is uniaxial stretching. 제5항에 있어서, 비대칭적 연신이 이축적 연신인 방법.The method of claim 5, wherein the asymmetrical stretching is biaxial stretching. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890005258A 1988-04-22 1989-04-21 Multi-refractive transparent film and manufacturing method thereof KR0133290B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63101107A JP2968531B2 (en) 1988-04-22 1988-04-22 Transparent film having birefringence and method for producing the same
JP63-101107 1988-04-22

Publications (2)

Publication Number Publication Date
KR900016325A true KR900016325A (en) 1990-11-13
KR0133290B1 KR0133290B1 (en) 1998-04-13

Family

ID=14291851

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890005258A KR0133290B1 (en) 1988-04-22 1989-04-21 Multi-refractive transparent film and manufacturing method thereof

Country Status (5)

Country Link
US (1) US4985531A (en)
EP (1) EP0338575B2 (en)
JP (1) JP2968531B2 (en)
KR (1) KR0133290B1 (en)
DE (1) DE68916683T3 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2988636B2 (en) * 1990-11-28 1999-12-13 鐘淵化学工業株式会社 Polyarylate film having optical isotropy and method for producing the same
JP3051473B2 (en) * 1991-02-08 2000-06-12 鐘淵化学工業株式会社 Transparent conductive film
US5645766A (en) * 1995-03-30 1997-07-08 Teijin Limited Film of aromatic polyethersulfone process for the production thereof and solution composition for the production thereof
EP0735079B1 (en) * 1995-03-31 2001-05-16 Teijin Limited Film of aromatic polyethersulfone, process for the production thereof, and solution composition for the production thereof
JPH10332938A (en) * 1998-06-05 1998-12-18 Kanegafuchi Chem Ind Co Ltd Transparent film having double refraction and its production
JP3719374B2 (en) * 2000-07-14 2005-11-24 シャープ株式会社 Manufacturing method of polarizing element
JP2002275290A (en) * 2002-03-07 2002-09-25 Kanegafuchi Chem Ind Co Ltd Heat-resistant transparent film
US20070154654A1 (en) * 2005-12-29 2007-07-05 Eastman Kodak Company Optical compensator film with controlled birefringence dispersion
JP2008169384A (en) * 2006-12-14 2008-07-24 Kaneka Corp Resin for coating, thin film for optical compensation, laminate for optical compensation, polarizing plate for optical compensation and liquid crystal display device
US7943219B2 (en) * 2007-03-23 2011-05-17 Kimberly-Clark Worldwide, Inc. Films and articles with reversible opacity change upon stretching, and methods of making and using same
TWI354127B (en) * 2007-11-08 2011-12-11 Ind Tech Res Inst Optical film with low or zero birefringence and me
JP5471249B2 (en) * 2009-02-06 2014-04-16 大日本印刷株式会社 Polarizing plate protective film, polarizing plate, and liquid crystal display device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928295A (en) * 1955-04-22 1960-03-15 Boulanger Etienne Variable speed transmission device
CA1017097A (en) * 1962-11-06 1977-09-06 Imperial Chemical Industries Limited Manufacture of polysulphones
JPS56130703A (en) * 1980-03-18 1981-10-13 Toyobo Co Ltd Quarter wavelength film
JPS5730808A (en) † 1980-07-31 1982-02-19 Nitto Electric Ind Co Ltd Polarizing plate
JPS5762011A (en) † 1980-09-30 1982-04-14 Nitto Electric Ind Co Ltd Polarizing plate
JPS62135338A (en) * 1985-12-09 1987-06-18 Diafoil Co Ltd Monoaxially high-orientated film of polyethylene-naphthalate for liquid crystal panel substrate
CA1307151C (en) * 1987-02-02 1992-09-08 Shuji Kitamura Phase retarder
DE3884291T2 (en) † 1987-06-30 1994-03-31 Sumitomo Chemical Co Phase-retarding polymer films and polarizing components.
JP2686751B2 (en) * 1987-11-12 1997-12-08 藤森工業 株式会社 Laminate having optical phase function
US4942087A (en) * 1987-12-28 1990-07-17 Mitsui Petrochemical Industries, Ltd. Films of wholly aromatic polyester and processes for preparation thereof
JPH01201608A (en) * 1988-02-08 1989-08-14 Fuji Photo Film Co Ltd Production of phase difference film
JPH01201607A (en) * 1988-02-08 1989-08-14 Fuji Photo Film Co Ltd Production of phase difference film
JPH04112190A (en) † 1990-07-17 1992-04-14 Kobe Steel Ltd Turning crane

Also Published As

Publication number Publication date
EP0338575B2 (en) 2004-01-07
EP0338575A2 (en) 1989-10-25
DE68916683D1 (en) 1994-08-18
JPH01270004A (en) 1989-10-27
DE68916683T3 (en) 2004-09-30
DE68916683T2 (en) 1994-11-03
EP0338575B1 (en) 1994-07-13
US4985531A (en) 1991-01-15
JP2968531B2 (en) 1999-10-25
EP0338575A3 (en) 1990-05-23
KR0133290B1 (en) 1998-04-13

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